| article html file updated | 31 August 2025 08:26 CEST | Update | https://www.mdpi.com/2073-431X/9/1/2 |
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| article html file updated | 15 February 2020 00:56 CET | Update | - |
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| article pdf uploaded. | 22 January 2020 07:39 CET | Updated version of record | https://www.mdpi.com/2073-431X/9/1/2/pdf |
| article xml uploaded. | 22 January 2020 07:39 CET | Update | https://www.mdpi.com/2073-431X/9/1/2/xml |
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| article pdf uploaded. | 7 January 2020 14:19 CET | Version of Record | https://www.mdpi.com/2073-431X/9/1/2/pdf-vor |
| article xml file uploaded | 7 January 2020 14:19 CET | Original file | - |
